正确的结束了连续运行的内部和出现通过右上角的小孔。
The right end is run straight up on the inside and emerges through the top right eyelet.
这些轴与内部的一些滚轮(不是中间的大滚轮)相连，每个滚轮上都有许多小孔。
The shafts are connected to wheels with several small holes in them.
对小孔空心阴极内部放电物理过程作了描述。
This paper describes physics processes of the discharge within an orificed hollow cathode.
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